为什么x是个数字，他不是数组嘛，好懵逼啊

import random
from itertools import count
import numpy as np
w=np.array(random.sample(range(1, 10),1))
x=np.array(random.sample(range(1, 10),1))
y=np.array(random.sample(range(1, 10),1))
z=np.array(random.sample(range(1, 10),1))
A=w[0]+x[0]+y[0]+z[0]
print(x)
for x in count():
    if A==9:break 
    w = np.array(random.sample(range(1, 10), 1))
    x = np.array(random.sample(range(1, 10), 1))
    y = np.array(random.sample(range(1, 10), 1))
    z = np.array(random.sample(range(1, 10), 1))
    A = w[0]+x[0]+y[0]+z[0]
print(x)

运行结果:
C:\Users\10673\Scripts\python.exe C:\Users\10673\Desktop\GA\Test.py 
[7]
232

Process finished with exit code 0